package com.hmall.cart.listener;

import com.hmall.cart.service.ICartService;
import com.hmall.common.constants.MqConstants;
import lombok.RequiredArgsConstructor;
import org.springframework.amqp.core.ExchangeTypes;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.util.Collection;
import java.util.Map;

@Component
@RequiredArgsConstructor
public class ClearCartListener {

    private final ICartService cartService;

    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(name = MqConstants.CART_CLEAR_QUEUE),
            exchange = @Exchange(name = MqConstants.TRADE_EXCHANGE_NAME, type = ExchangeTypes.TOPIC),
            key = MqConstants.ORDER_CREATE_KEY
    ))
    public void clearCart(Map<String, Object> message) {
        Long userId = (Long) message.get("userId");
        Collection<Long> ids = (Collection<Long>) message.get("ids");
        cartService.removeByItemIds(userId, ids);
    }

}
